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Lobosea: Testacealobosia: Arcellinida: Difflugiidae

Difflugia oblonga
var. venusta (Penard) Cash

Difflugia oblonga Genus: Pseudostome lacks lobed collar; test round or oval in cross-section; pseudostome relatively large, with or lacking a collar (Illustrated Guide, 1985).
Species: Test pyriform, flask-shaped, or ovoid; neck variable in length; aperture terminal, typically circular; test composed of angular sand-grains, diatoms; 60-580 μm by 40-240 μm (Kudo, 1966).
Similar species -->> D. scaplellum; D. acuminata;


Difflugia oblonga Ehrenberg ?, test μm long, μm wide, L/W=, pseudostome μm wide, x 640, Fujimitashiro, Oze-ga-hara (Oze marsh), Katashina village, Gunma Pref., Japan, October 6, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Difflugia oblonga Difflugia oblonga Difflugia oblonga

Images of collecting locality: Fujimitashiro, Oze-ga-hara (Oze marsh), Katashina village, Gunma Pref., Japan, October 6, 2007 by Y. Tsukii


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